target: add XCOPY target/segment desc sense codes

As defined in http://www.t10.org/lists/asc-num.htm. To be used during
validation of XCOPY target and segment descriptor lists.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 7dfefd66df93..1cadc9eefa21 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1693,6 +1693,10 @@ void transport_generic_request_failure(struct se_cmd *cmd,
         case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED:
         case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED:
         case TCM_COPY_TARGET_DEVICE_NOT_REACHABLE:
+        case TCM_TOO_MANY_TARGET_DESCS:
+        case TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE:
+        case TCM_TOO_MANY_SEGMENT_DESCS:
+        case TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE:
                 break;
         case TCM_OUT_OF_RESOURCES:
                 sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
@@ -2808,6 +2812,26 @@ static const struct sense_info sense_info_table[] = {
                 .key = ILLEGAL_REQUEST,
                 .asc = 0x26, /* INVALID FIELD IN PARAMETER LIST */
         },
+        [TCM_TOO_MANY_TARGET_DESCS] = {
+                .key = ILLEGAL_REQUEST,
+                .asc = 0x26,
+                .ascq = 0x06, /* TOO MANY TARGET DESCRIPTORS */
+        },
+        [TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE] = {
+                .key = ILLEGAL_REQUEST,
+                .asc = 0x26,
+                .ascq = 0x07, /* UNSUPPORTED TARGET DESCRIPTOR TYPE CODE */
+        },
+        [TCM_TOO_MANY_SEGMENT_DESCS] = {
+                .key = ILLEGAL_REQUEST,
+                .asc = 0x26,
+                .ascq = 0x08, /* TOO MANY SEGMENT DESCRIPTORS */
+        },
+        [TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE] = {
+                .key = ILLEGAL_REQUEST,
+                .asc = 0x26,
+                .ascq = 0x09, /* UNSUPPORTED SEGMENT DESCRIPTOR TYPE CODE */
+        },
         [TCM_PARAMETER_LIST_LENGTH_ERROR] = {
                 .key = ILLEGAL_REQUEST,
                 .asc = 0x1a, /* PARAMETER LIST LENGTH ERROR */